From: Paolo Bonzini <pbonzini@redhat.com>
To: Alex Bligh <alex@alex.org.uk>
Cc: "nbd-general@lists.sourceforge.net"
<nbd-general@lists.sourceforge.net>,
Kevin Wolf <kwolf@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Pavel Borzenkov <pborzenkov@virtuozzo.com>,
"Stefan stefanha@redhat. com" <stefanha@redhat.com>,
Wouter Verhelst <w@uter.be>, "Denis V. Lunev" <den@openvz.org>
Subject: Re: [Qemu-devel] [Nbd] [PATCH v2] doc: Add NBD_CMD_BLOCK_STATUS extension
Date: Tue, 5 Apr 2016 17:31:59 +0200 [thread overview]
Message-ID: <5703DA6F.4030802@redhat.com> (raw)
In-Reply-To: <8DC2DC6C-0CCD-4C03-B2CF-023E13D52B80@alex.org.uk>
On 05/04/2016 17:27, Alex Bligh wrote:
>>> I'm missing how the ugh-author can write the software without knowing
>>> exactly what the bit does. Or are you saying "that's a matter
>>> for the qemu spec, not the nbd spec"?
> >
> > Yes, that's it. NBD defines a safe default and a general idea of what
> > it should be used for.
>
> OK, so my argument then is we should not have a special case
> 'only Qemu knows what this does' bit if we can avoid at, and
> instead have a general system of 'proprietary bits' (unfortunate
> word but perhaps 'non-NBD').
I think it is generic enough. Ideally the backup software wouldn't see
the QEMU-specific bits, those would be provided by a management layer
(such as OpenStack/Virtuozzo/oVirt/ProxMox). They would just know to
copy the dirty bits.
Paolo
next prev parent reply other threads:[~2016-04-05 15:32 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-04 16:39 [Qemu-devel] [PATCH v2] doc: Add NBD_CMD_BLOCK_STATUS extension Eric Blake
2016-04-04 18:06 ` [Qemu-devel] [Nbd] " Alex Bligh
2016-04-04 19:34 ` Eric Blake
2016-04-04 19:54 ` Denis V. Lunev
2016-04-04 20:03 ` Alex Bligh
2016-04-04 20:08 ` Denis V. Lunev
2016-04-04 20:34 ` Eric Blake
2016-04-04 21:06 ` Denis V. Lunev
2016-04-04 21:12 ` Alex Bligh
2016-04-05 14:15 ` Paolo Bonzini
2016-04-05 15:01 ` Alex Bligh
2016-04-05 15:23 ` Paolo Bonzini
2016-04-05 15:27 ` Alex Bligh
2016-04-05 15:31 ` Paolo Bonzini [this message]
2016-04-04 23:08 ` Wouter Verhelst
2016-04-04 23:32 ` Eric Blake
2016-04-05 7:16 ` Wouter Verhelst
2016-04-05 21:44 ` Wouter Verhelst
2016-04-05 7:13 ` Alex Bligh
2016-04-04 19:58 ` Alex Bligh
2016-04-04 20:04 ` Denis V. Lunev
2016-04-04 20:08 ` Alex Bligh
2016-04-04 20:13 ` Denis V. Lunev
2016-04-04 20:15 ` Alex Bligh
2016-04-04 20:27 ` Denis V. Lunev
2016-04-04 20:45 ` Eric Blake
2016-04-04 21:04 ` Denis V. Lunev
2016-04-04 21:12 ` Alex Bligh
2016-04-04 21:17 ` Eric Blake
2016-04-04 21:27 ` Denis V. Lunev
2016-04-04 20:26 ` Eric Blake
2016-04-04 21:07 ` Alex Bligh
2016-04-04 21:25 ` Eric Blake
2016-04-04 22:06 ` Alex Bligh
2016-04-04 20:22 ` Eric Blake
2016-04-05 13:38 ` Paolo Bonzini
2016-04-04 22:40 ` Wouter Verhelst
2016-04-04 23:03 ` Eric Blake
2016-04-05 13:41 ` Paolo Bonzini
2016-04-06 5:57 ` Denis V. Lunev
2016-04-06 14:08 ` Eric Blake
2016-04-05 4:05 ` [Qemu-devel] " Kevin Wolf
2016-04-05 13:43 ` Paolo Bonzini
2016-04-07 10:38 ` Vladimir Sementsov-Ogievskiy
2016-04-07 16:10 ` Eric Blake
2016-04-07 16:21 ` [Qemu-devel] [Nbd] " Alex Bligh
2016-04-08 11:35 ` [Qemu-devel] " Kevin Wolf
2016-04-09 9:08 ` [Qemu-devel] [Nbd] " Wouter Verhelst
2016-04-13 12:38 ` [Qemu-devel] " Pavel Borzenkov
2016-04-13 14:40 ` Eric Blake
2016-04-07 15:35 ` Pavel Borzenkov
2016-04-07 15:43 ` Paolo Bonzini
2016-04-05 8:51 ` Stefan Hajnoczi
2016-04-05 9:24 ` [Qemu-devel] [Nbd] " Markus Pargmann
2016-04-05 13:50 ` Paolo Bonzini
2016-04-11 5:58 ` Markus Pargmann
2016-04-05 14:14 ` Eric Blake
2016-04-05 20:50 ` Wouter Verhelst
2016-04-11 6:07 ` Markus Pargmann
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